body, html, * {
  padding: 0;
  margin: 0;
}

body {
  -ms-overflow-style: auto;
  -webkit-tap-highlight-color: transparent;
  font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", FontAwesome, sans-serif;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  background: #F4F6F8;
  color: #34495e;
}

.demo-header {
  background: #5248FE;
  color: #FFF;
  height: 50px;
  padding: 0 10px;
}

.demo-header .link {
  float: right;
}

.demo-header .link a {
  color: #FFF;
  display: inline-block;
  line-height: 50px;
  text-decoration: none;
  font-size:14px;
}

.demo-header h1 {
  font-size: 20px;
  line-height: 50px;
}

.demo-iframe {
  border: 2px solid #EEE;
  position: fixed;
  left: 200px;
  top: 50px;
  width: calc(100vw - 200px);
  height: calc(100vh - 52px);
  overflow: auto;
  background: #FFF;
}

.demo-iframe-container {
  position: absolute;
  top: 0px;
  left: 0px;
  right: 0px;
  bottom: 0px;
  overflow: hidden;
}

.demo-iframe .demo-iframe-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.demo-menu {
  border: 2px solid #EEE;
  position: fixed;
  left: 0;
  bottom: 0px;
  top: 50px;
  width: 200px;
  height: calc(100vh - 52px);
  overflow: auto;
  padding: 10px;
  background: #FFF;
  box-sizing: border-box;
}

.demo-menu * {
  padding: 0;
  margin: 0;
  list-style: none;
}

.demo-menu h3 {
  font-size: 16px;
}

.demo-menu ul {
  margin-left: 10px;
  margin-bottom: 10px;
}

.demo-menu ul li {
  font-size: 12px;
  color: #999;
  padding: 5px 5px 5px 0;
  white-space: normal;
  word-break: break-all;
}

.demo-menu ul li a {
  color: #34495e;
  text-decoration: none;
  font-size: 14px;
}

.demo-editor-page {
  background: #FFF;
  padding: 0;
}

.demo-editor-page > div {
  max-width: 800px;
  margin: 20px auto;
}

.demo-editor-page.wide > div {
  max-width: inherit;
}

.demo-editor-page h1 {
  font-size: 30px;
  line-height: 30px;
  margin-bottom: 10px;
}

button, input[type="submit"], input[type="button"] {
  display: inline-block;
  font-weight: 400;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  border: none;
  padding: 5px 10px;
  font-size: 13px;
  line-height: 1.5;
  border-radius: 4rem;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  -webkit-appearance: none;
  cursor: pointer;
  margin-bottom: 5px;
  color: #34495e;
  background-color: #EEE;
}

button:hover, input[type="submit"]:hover, input[type="button"]:hover {
  background-color: #DDD;
  box-shadow: 0 0 5px #999;
}
